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Issue 715945 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner:
Closed: Aug 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5%-7.5% regression in system_health.memory_mobile at 467223:467264

Project Member Reported by rmcilroy@chromium.org, Apr 27 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 28 2017

Cc: peria@chromium.org
Owner: peria@chromium.org

=== Auto-CCing suspected CL author peria@chromium.org ===

Hi peria@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : peria
  Commit : 040755ece35f949c4de74d85f5a651e84a0beafe
  Date   : Wed Apr 26 07:20:51 2017
  Subject: Use SetNativeDataProperty to install features dynamically on instances

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/background_social/background_social_facebook
  Change       : 8.88% | 2045380.0 -> 2227069.33333

Revision             Result                  N
chromium@467236      2045380 +- 20379.8      6      good
chromium@467250      2054406 +- 15202.7      6      good
chromium@467257      2057191 +- 19214.2      6      good
chromium@467259      2057191 +- 19214.2      6      good
chromium@467260      2227057 +- 240.178      6      bad       <--
chromium@467261      2227196 +- 0.0          6      bad
chromium@467264      2227069 +- 206.817      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=background.social.facebook system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981169591824829856

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5063957204697088


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Apr 28 2017

Cc: jgruber@chromium.org
 Issue 716466  has been merged into this issue.

Comment 5 by peria@chromium.org, May 2 2017

Status: Assigned (was: Untriaged)
Status: WontFix (was: Assigned)
WontFix-ing since there wasn't any action on this, it's several months old, and memory regressions were less than 200kib.

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